Why are steel binded by binding wire? Binding Wire is used for the purpose of tying applications in the field of construction. It is used extensively in the construction sector for tying the rebars at the joints so as to keep the structure intact. Binding wire is also called annealed wire and is made of mild steel. Annealing endows it with the properties like flexibility and softness, required for its main use. For your Rebar needs as one of the most trusted brands of Steel in the Philippines. C